| Reference number | NLB/54/316 |
| Alternative reference number | NLB/54 p180 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to G. Blake Walker Esquire, Secretary and Treasurer of the Midland Institute of Mining, Civil & Mechanical Engineers; Tankersley |
| Date | 30 March 1917 |
| Description | 'Referring to your letter of March 28th, your best course would be to write to Messrs Dulau & Co, 37 Soho Square, W. They have, I think, the whole series of Prof. Williamson's papers on sale.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |